GB9017077D0 - Optical fibre monitoring - Google Patents

Optical fibre monitoring

Info

Publication number
GB9017077D0
GB9017077D0 GB909017077A GB9017077A GB9017077D0 GB 9017077 D0 GB9017077 D0 GB 9017077D0 GB 909017077 A GB909017077 A GB 909017077A GB 9017077 A GB9017077 A GB 9017077A GB 9017077 D0 GB9017077 D0 GB 9017077D0
Authority
GB
United Kingdom
Prior art keywords
optical fibre
fibre monitoring
monitoring
optical
fibre
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
GB909017077A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telent Technologies Services Ltd
Plessey Telecommunications Ltd
Original Assignee
Telent Technologies Services Ltd
Plessey Telecommunications Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telent Technologies Services Ltd, Plessey Telecommunications Ltd filed Critical Telent Technologies Services Ltd
Priority to GB909017077A priority Critical patent/GB9017077D0/en
Publication of GB9017077D0 publication Critical patent/GB9017077D0/en
Priority to EP19910305925 priority patent/EP0469720A3/en
Priority to GB9114176A priority patent/GB2246858A/en
Priority to JP19727691A priority patent/JPH06342107A/en
Priority to US07/939,421 priority patent/US5258615A/en
Pending legal-status Critical Current

Links

GB909017077A 1990-08-03 1990-08-03 Optical fibre monitoring Pending GB9017077D0 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB909017077A GB9017077D0 (en) 1990-08-03 1990-08-03 Optical fibre monitoring
EP19910305925 EP0469720A3 (en) 1990-08-03 1991-07-01 Optical fibre monitoring
GB9114176A GB2246858A (en) 1990-08-03 1991-07-01 Optical fibre monitoring
JP19727691A JPH06342107A (en) 1990-08-03 1991-07-12 Optical-fiber monitoring device
US07/939,421 US5258615A (en) 1990-08-03 1992-09-03 Optical fiber monitoring by detection of polarization variations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909017077A GB9017077D0 (en) 1990-08-03 1990-08-03 Optical fibre monitoring

Publications (1)

Publication Number Publication Date
GB9017077D0 true GB9017077D0 (en) 1990-09-19

Family

ID=10680136

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909017077A Pending GB9017077D0 (en) 1990-08-03 1990-08-03 Optical fibre monitoring
GB9114176A Withdrawn GB2246858A (en) 1990-08-03 1991-07-01 Optical fibre monitoring

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9114176A Withdrawn GB2246858A (en) 1990-08-03 1991-07-01 Optical fibre monitoring

Country Status (3)

Country Link
EP (1) EP0469720A3 (en)
JP (1) JPH06342107A (en)
GB (2) GB9017077D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19827638A1 (en) 1998-06-20 1999-12-23 Alcatel Sa Method for measuring interference effects on fiber optic transmission links and transmission system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971930A (en) * 1974-04-24 1976-07-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Polarization compensator for optical communications
DE3311524C2 (en) * 1983-03-30 1985-11-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Fiber optic sensor for force and pressure measurements as well as for monitoring and protection purposes
GB8515499D0 (en) * 1985-06-19 1985-07-24 British Telecomm Digital information transmission system
ES2039429T3 (en) * 1986-01-24 1993-10-01 Siemens Plessey Electronic Systems Limited OPTICAL TRANSMISSION SYSTEMS USING POLARIZATION MODULATION.
GB8606353D0 (en) * 1986-03-14 1986-04-23 Jackson D A Optical data-bus & magnetometer
IT1189657B (en) * 1986-04-10 1988-02-04 Cselt Centro Studi Lab Telecom FIBER OPTIC TRANSMISSION SYSTEM WITH POLARIZATION MODULATION AND COHERENT HETERODINE DETECTION
GB2199713A (en) * 1986-12-31 1988-07-13 Stc Plc Optical communication system
US4904085A (en) * 1988-05-04 1990-02-27 Simmonds Precision Products, Inc. Polarimetric fiber optic sensor testing apparatus

Also Published As

Publication number Publication date
GB2246858A (en) 1992-02-12
EP0469720A2 (en) 1992-02-05
JPH06342107A (en) 1994-12-13
EP0469720A3 (en) 1993-04-07
GB9114176D0 (en) 1991-08-21

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